1. Jessie J

15. 1. Jessie J

Jessie J is officially your biggest role model in pop music today. "Her songs tell you how life actually is and teach you what to expect out of it," said one fan. "She lives life the way she wants to and doesn't let anyone stand in her way," wrote another. Jessie's latest single, 'Who's Laughing Now' is about overcoming school bullying.